Finding the Third Proportional to 238,545 and 322,825.50

Step by Step Solution

1. Step 1: Write the proportion equation
   238,545 : 322,825.50 = 322,825.50 : x
2. Step 2: Convert to fraction form
   238,545/322,825.50 = 322,825.50/x
3. Step 3: Cross multiply
   238,545x = 322,825.50 × 322,825.50
4. Step 4: Simplify right side
   238,545x = 104,216,303,450.25
5. Step 5: Solve for x
   x = 104,216,303,450.25/238,545
6. Step 6: Final answer
   x = 436,883.20